Steinheil Auto-Quinon 55mm f/1.9 normal lens. Made in Germany. Serial #1718783.This lens will fit Exakta lens mount camera's like the Exa, Exakta, VR, VR2, Varex, VX2A, VX2b, RTL, 1000, VX500, Exakta 2, and Kino Exakta. Lens can also be used on Topcon film cameras. This lens can also be used on all mirrorless digital cameras like the Canon R, Fuji X-Pro2, XT-2, Nikon Z. Olympus Pen F, OM-D5 Mark II, OM-D1 Mark II, Panasonic Lumix G7, G9, GH-4, GH-5, Sony a 6500, Sony a7SII, a7RIII with the proper adapter. Front filter size is 48mm. Minimum focus distance is less than 1.35' or .4m . Aperture range is f/1.9 - f/22. Focusing is marked in feet and meters. Lens has a semi-automatic or manual aperture. Lens is in Ex or 8 of 10 cosmetic condition. Fair condition lens barrel with some small marks around from prior use. No dings or dents. Nice clean optics. Several fine cleaning/coating marks on the front element. Couple of very small fine coating marks on the rear. These fine coating marks should not affect your images. Few small dust spots inside visible with a flashlight only. Smooth focusing. Good working lens aperture with no oil on the blades. Blades are smooth. This lens was recently CLA'D best as possible for a vintage lens in March 2024. No rust on the chrome parts. Quite sharp and unusual lens with fantastic contrast and optical resolution. Nice German vintage lens to find for your Exakta or mirrorless digital camera. Comes with front and rear caps. Don't miss this nice example of the Auto-Quinon 55mm f/1.9 normal lens in Exakta mount that has been recently CLA'D. Sells with NO RESERVE at a price of $325. I have lots of more Angenieux and Exakta mount lenses, and other rare lenses in Exakta mount. Also accessories, 35mm Rangefinder cameras and lenses,  Medium and Large Format cameras, on my other Auctions, web page and E-Bay Store.